diff --git a/viz/curses/7segments.c b/viz/curses/7segments.c
index 853a5a2..d895dc7 100644
--- a/viz/curses/7segments.c
+++ b/viz/curses/7segments.c
@@ -25,41 +25,48 @@ for (foo=0; foo<9; foo++) {
 	mvwhline(win, lig+foo, col, '~', 6);
 	}
 
+#define KC  '+'
+#define KS  "++++"
+
 wstandout(win);
 for (numbit=0; numbit<8; numbit++) {
 	mask = 1 << numbit;
 	switch(mask & bits) {
 		case 0x01:
-			mvwaddstr(win, lig, col+1, "    ");
+			mvwaddstr(win, lig, col+1, KS);
 			break;
 		case 0x02:
-			mvwaddch(win, lig+1, col+5, ' ');
-			mvwaddch(win, lig+2, col+5, ' ');
-			mvwaddch(win, lig+3, col+5, ' ');
+			mvwaddch(win, lig+1, col+5, KC);
+			mvwaddch(win, lig+2, col+5, KC);
+			mvwaddch(win, lig+3, col+5, KC);
 			break;
 		case 0x04:
-			mvwaddch(win, lig+5, col+5, ' ');
-			mvwaddch(win, lig+6, col+5, ' ');
-			mvwaddch(win, lig+7, col+5, ' ');
+			mvwaddch(win, lig+5, col+5, KC);
+			mvwaddch(win, lig+6, col+5, KC);
+			mvwaddch(win, lig+7, col+5, KC);
 			break;
 		case 0x08:
-			mvwaddstr(win, lig+8, col+1, "   ");
+			mvwaddstr(win, lig+8, col+1, KS);
 			break;
 		case 0x10:
-			mvwaddch(win, lig+5, col, ' ');
-			mvwaddch(win, lig+6, col, ' ');
-			mvwaddch(win, lig+7, col, ' ');
+			mvwaddch(win, lig+5, col, KC);
+			mvwaddch(win, lig+6, col, KC);
+			mvwaddch(win, lig+7, col, KC);
 			break;
 		case 0x20:
-			mvwaddch(win, lig+1, col , ' ');
-			mvwaddch(win, lig+2, col , ' ');
-			mvwaddch(win, lig+3, col , ' ');
+			mvwaddch(win, lig+1, col , KC);
+			mvwaddch(win, lig+2, col , KC);
+			mvwaddch(win, lig+3, col , KC);
 			break;
 		case 0x40:
-			mvwaddstr(win, lig+4, col+1, "   ");
+			mvwaddstr(win, lig+4, col+1, KS);
 			break;
 		case 0x80:
 			/* decimal point */
+			mvwaddch(win, lig+7, col+2 , KC);
+			mvwaddch(win, lig+7, col+3 , KC);
+			mvwaddch(win, lig+8, col+2 , KC);
+			mvwaddch(win, lig+8, col+3 , KC);
 			break;
 
 		}
@@ -79,10 +86,6 @@ fprintf(stderr, ">>> %s ( %p %d %d '%c' )\n", __func__,
 			win, lig, col, digit);
 #endif
 
-if (!isdigit(digit)) {
-	return -1;
-	}
-
 switch (digit) {
 	case '0':	bits = 0x3f;		break;
 	case '1':	bits = 0x06;		break;
@@ -95,9 +98,10 @@ switch (digit) {
 	case '8':	bits = 0x7f;		break;
 	case '9':	bits = 0x6f;		break;
 
-	default:
-		bits = 0x40;
-		break;
+	case ' ':	bits = 0;		break;
+	case '.':	bits = 0x80;		break;
+
+	default:	bits = 0x09;		break;
 	}
 
 aff7segs_base(win, lig, col, bits, 0);